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From raj <rajsh...@yahoo.com>
Subject Re: R: DBCP POOL -Connection Pool giving nullpointer -->Unable to intialize -->Crashing
Date Wed, 05 May 2004 19:54:40 GMT
We are using Oracle DB8.1.3 and server is Iplanet 4.1
service pack5 and Jrun 3.1
Thanks..
--- daniele rizzi <daniele.rizzi@essellesse.net>
wrote:
> 
> HI raj,
> may I ask you what db server are you using?
> 
> bye
> daniele rizzi
> 
> 
> -----Messaggio originale-----
> Da: raj [mailto:rajshiri@yahoo.com]
> Inviato: mercoledi 5 maggio 2004 7.54
> A: Jakarta Commons Users List
> Oggetto: DBCP POOL -Connection Pool giving
> nullpointer -->Unable to
> intialize -->Crashing
> 
> 
> Hello,
> We have been using jakarta pool implementation with
> JRUN for past 6 months and worked fine until last
> week.
> Started giving this error.
> 
> Works fine for couple of hours and starts crashing
> and
> had to restart JRUN every time.
> 
> Explanation from our admin -->
> Load on database causing delay in getting connection
> from connection pool which is becoming stale after
> trying to get connection for long time.
> I did not like this explanation as nothing changed
> and
> started suddenly.
> ANY HELP WILL BE REALLY APPRECIATED and THANKS FOR
> YOUR TIME.
> 
> These are the parameters for connection pool       
> GenericObjectPool connectionPool = new
> GenericObjectPool(null);
>         ConnectionFactory connectionFactory = new
> DriverManagerConnectionFactory(connectURI,null);
>         new
>
PoolableConnectionFactory(connectionFactory,connectionPool,null,testStr,false,true);
> 
>         // set up pool options
> 
>         
>         connectionPool.setTestOnBorrow(true);
>         connectionPool.setTestOnReturn(true);
>         connectionPool.setMaxActive(50);
>        
>
connectionPool.setWhenExhaustedAction(connectionPool.WHEN_EXHAUSTED_FAIL);
> 
>         PoolingDataSource dataSource = new
> PoolingDataSource(connectionPool);
> 
> --> This is stacktrace from the JSP -->
> 
> 
> 05/04/2004 06:03:06 PM 
> /temp/frmTestConnectionPool.jsp Error           0   
>  
>  Testing 
> 05/04/2004 06:03:06 PM 
> /temp/frmTestConnectionPool.jsp Error           0   
>  
>  Testing 2 
> 05/04/2004 06:03:06 PM   frmTestConnectionPool.jsp  
>  
>  Error           0      
> java.lang.NullPointerException
> 05/04/2004 06:03:06 PM   frmTestConnectionPool.jsp  
>  
>  Information     0      
>
com.nokia.support.DBConnection.printStackTraceToLog(DBConnection.java:925)
> 05/04/2004 06:03:06 PM   frmTestConnectionPool.jsp  
>  
>  Information     0      
>
com.nokia.support.DBConnection.<init>(DBConnection.java:349)
>   ----->
> 05/04/2004 06:03:06 PM   frmTestConnectionPool.jsp  
>  
>  Information     0      
>
jrun__temp__frmTestConnectionPool2ejsp1f._jspService(jrun__temp__frmTestConnectionPool2ejsp1f.java:807)
> 05/04/2004 06:03:06 PM   frmTestConnectionPool.jsp  
>  
>  Information     0      
>
allaire.jrun.jsp.HttpJSPServlet.service(HttpJSPServlet.java:39)
> 05/04/2004 06:03:06 PM   frmTestConnectionPool.jsp  
>  
>  Information     0      
>
allaire.jrun.jsp.JSPServlet.service(JSPServlet.java:228)
> 05/04/2004 06:03:06 PM   frmTestConnectionPool.jsp  
>  
>  Information     0      
>
allaire.jrun.jsp.JSPServlet.service(JSPServlet.java:196)
> 05/04/2004 06:03:06 PM   frmTestConnectionPool.jsp  
>  
>  Information     0      
>
allaire.jrun.servlet.JRunSE.service(JRunSE.java:1417)
> 05/04/2004 06:03:06 PM   frmTestConnectionPool.jsp  
>  
>  Information     0      
>
allaire.jrun.session.JRunSessionService.service(JRunSessionService.java:1088)
> 05/04/2004 06:03:06 PM   frmTestConnectionPool.jsp  
>  
>  Information     0      
>
allaire.jrun.servlet.JRunSE.runServlet(JRunSE.java:1271)
> 05/04/2004 06:03:06 PM   frmTestConnectionPool.jsp  
>  
>  Information     0      
>
allaire.jrun.servlet.JRunRequestDispatcher.forward(JRunRequestDispatcher.java:89)
> 05/04/2004 06:03:06 PM   frmTestConnectionPool.jsp  
>  
>  Information     0      
>
allaire.jrun.servlet.JRunSE.service(JRunSE.java:1557)
> 05/04/2004 06:03:06 PM   frmTestConnectionPool.jsp  
>  
>  Information     0      
>
allaire.jrun.servlet.JRunSE.service(JRunSE.java:1547)
> 05/04/2004 06:03:06 PM   frmTestConnectionPool.jsp  
>  
>  Information     0      
>
allaire.jrun.servlet.JvmContext.dispatch(JvmContext.java:364)
> 05/04/2004 06:03:06 PM   frmTestConnectionPool.jsp  
>  
>  Information     0      
>
allaire.jrun.jrpp.ProxyEndpoint.run(ProxyEndpoint.java:388)
> 05/04/2004 06:03:06 PM   frmTestConnectionPool.jsp  
>  
>  Information     0      
> allaire.jrun.ThreadPool.run(ThreadPool.java:272)
> 05/04/2004 06:03:06 PM   frmTestConnectionPool.jsp  
>  
>  Information     0      
> allaire.jrun.WorkerThread.run(WorkerThread.java:75)
> 05/04/2004 06:03:06 PM 
> /temp/frmTestConnectionPool.jsp Error           0   
>  
>  Testing 7 
> 
> 
> 
> THANKS very much--
> RAJ
> 
> 
> 	
> 		
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